Usage Type

Annual - Every Year (5627)
Biannual - 2 Times Per Year (102)
Biennial - Every 2 Years (26)
Biennial even (730)
Biennial odd (862)
Quadannual - 4 Times Per Year (24)
Quadrennial - Every 4 Years (1)
Triannual - 3 Times Per Year (22)
Triennial - Every 3 Years (48)
Unlimited (18)